mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r22165) -Fix: [NewGRF] memory leak if an industry newgrf had more than one prop A or 15
This commit is contained in:
parent
18a2fadf35
commit
b74de9ff72
|
@ -2524,6 +2524,20 @@ static bool ValidateIndustryLayout(const IndustryTileTable *layout, int size)
|
|||
return true;
|
||||
}
|
||||
|
||||
/** Clean the tile table of the IndustrySpec if it's needed. */
|
||||
static void CleanIndustryTileTable(IndustrySpec *ind)
|
||||
{
|
||||
if (HasBit(ind->cleanup_flag, CLEAN_TILELAYOUT) && ind->table != NULL) {
|
||||
for (int j = 0; j < ind->num_table; j++) {
|
||||
/* remove the individual layouts */
|
||||
free((void*)ind->table[j]);
|
||||
}
|
||||
/* remove the layouts pointers */
|
||||
free((void*)ind->table);
|
||||
ind->table = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static ChangeInfoResult IndustriesChangeInfo(uint indid, int numinfo, int prop, ByteReader *buf)
|
||||
{
|
||||
ChangeInfoResult ret = CIR_SUCCESS;
|
||||
|
@ -2598,20 +2612,20 @@ static ChangeInfoResult IndustriesChangeInfo(uint indid, int numinfo, int prop,
|
|||
}
|
||||
|
||||
case 0x0A: { // Set industry layout(s)
|
||||
indsp->num_table = buf->ReadByte(); // Number of layaouts
|
||||
byte new_num_layouts = buf->ReadByte(); // Number of layaouts
|
||||
/* We read the total size in bytes, but we can't rely on the
|
||||
* newgrf to provide a sane value. First assume the value is
|
||||
* sane but later on we make sure we enlarge the array if the
|
||||
* newgrf contains more data. Each tile uses either 3 or 5
|
||||
* bytes, so to play it safe we assume 3. */
|
||||
uint32 def_num_tiles = buf->ReadDWord() / 3 + 1;
|
||||
IndustryTileTable **tile_table = CallocT<IndustryTileTable*>(indsp->num_table); // Table with tiles to compose an industry
|
||||
IndustryTileTable **tile_table = CallocT<IndustryTileTable*>(new_num_layouts); // Table with tiles to compose an industry
|
||||
IndustryTileTable *itt = CallocT<IndustryTileTable>(def_num_tiles); // Temporary array to read the tile layouts from the GRF
|
||||
uint size;
|
||||
const IndustryTileTable *copy_from;
|
||||
|
||||
try {
|
||||
for (byte j = 0; j < indsp->num_table; j++) {
|
||||
for (byte j = 0; j < new_num_layouts; j++) {
|
||||
for (uint k = 0;; k++) {
|
||||
if (k >= def_num_tiles) {
|
||||
grfmsg(3, "IndustriesChangeInfo: Incorrect size for industry tile layout definition for industry %u.", indid);
|
||||
|
@ -2674,7 +2688,7 @@ static ChangeInfoResult IndustriesChangeInfo(uint indid, int numinfo, int prop,
|
|||
if (!ValidateIndustryLayout(copy_from, size)) {
|
||||
/* The industry layout was not valid, so skip this one. */
|
||||
grfmsg(1, "IndustriesChangeInfo: Invalid industry layout for industry id %u. Ignoring", indid);
|
||||
indsp->num_table--;
|
||||
new_num_layouts--;
|
||||
j--;
|
||||
} else {
|
||||
tile_table[j] = CallocT<IndustryTileTable>(size);
|
||||
|
@ -2682,7 +2696,7 @@ static ChangeInfoResult IndustriesChangeInfo(uint indid, int numinfo, int prop,
|
|||
}
|
||||
}
|
||||
} catch (...) {
|
||||
for (int i = 0; i < indsp->num_table; i++) {
|
||||
for (int i = 0; i < new_num_layouts; i++) {
|
||||
free(tile_table[i]);
|
||||
}
|
||||
free(tile_table);
|
||||
|
@ -2690,9 +2704,12 @@ static ChangeInfoResult IndustriesChangeInfo(uint indid, int numinfo, int prop,
|
|||
throw;
|
||||
}
|
||||
|
||||
/* Clean the tile table if it was already set by a previous prop A. */
|
||||
CleanIndustryTileTable(indsp);
|
||||
/* Install final layout construction in the industry spec */
|
||||
indsp->num_table = new_num_layouts;
|
||||
indsp->table = tile_table;
|
||||
SetBit(indsp->cleanup_flag, 1);
|
||||
SetBit(indsp->cleanup_flag, CLEAN_TILELAYOUT);
|
||||
free(itt);
|
||||
break;
|
||||
}
|
||||
|
@ -2755,8 +2772,11 @@ static ChangeInfoResult IndustriesChangeInfo(uint indid, int numinfo, int prop,
|
|||
throw;
|
||||
}
|
||||
|
||||
if (HasBit(indsp->cleanup_flag, CLEAN_RANDOMSOUNDS)) {
|
||||
free((void*)indsp->random_sounds);
|
||||
}
|
||||
indsp->random_sounds = sounds;
|
||||
SetBit(indsp->cleanup_flag, 0);
|
||||
SetBit(indsp->cleanup_flag, CLEAN_RANDOMSOUNDS);
|
||||
break;
|
||||
}
|
||||
|
||||
|
@ -7130,15 +7150,7 @@ static void ResetCustomIndustries()
|
|||
}
|
||||
|
||||
/* We need to remove the tiles layouts */
|
||||
if (HasBit(ind->cleanup_flag, CLEAN_TILELAYOUT) && ind->table != NULL) {
|
||||
for (int j = 0; j < ind->num_table; j++) {
|
||||
/* remove the individual layouts */
|
||||
free((void*)ind->table[j]);
|
||||
}
|
||||
/* remove the layouts pointers */
|
||||
free((void*)ind->table);
|
||||
ind->table = NULL;
|
||||
}
|
||||
CleanIndustryTileTable(ind);
|
||||
|
||||
free(ind);
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue